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PhysicsNEET 2024First law, work and internal energy

Thermodynamics

A thermodynamic system is taken through the cycle shown in the – diagram. The work done by the gas along the path is:

Question 3 as printed in the NEET 2024 booklet

  1. A.30 J
  2. B.–90 J
  3. C.–60 J
  4. D.Zero✓

Solution

Path runs vertically on the – diagram: the volume stays at 400 cm while the pressure rises. With , the work done by the gas is zero.

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